California ISO notes they might have to curtail 6,000-8,000MW of electricity. If they were speaking in total production at a peak moment, that would represent 73-98% of last Thursday’s solar peak. If that peak were to run for an hour – it would fill 75-100 of the 80MWh Tesla PowerPack stations installed for Southern California Edison. Last year the USA installed 336MWh of energy storage – 23 times the amount of solar that might be curtailed.

If curtailment continues into the future – it would seem to make sense for energy storage companies to offer to hold onto the energy for a certain fee. In other places – excess electricity has led to electricity users getting paid to consume.